package com.zhoukx.netty.tcp;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;

import java.nio.charset.Charset;

public class MyClientHandler extends SimpleChannelInboundHandler<ByteBuf> {

    private  int count;
    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        // 使用客户端发送10调数据hello,server
        for (int i = 0; i < 10; i++) {
            ctx.writeAndFlush(Unpooled.copiedBuffer("hello,server"+i, Charset.forName("utf-8")));
        }
    }

    @Override
    protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
        byte[] bytes = new byte[msg.readableBytes()];
        msg.readBytes(bytes);
        String s = new String(bytes, Charset.forName("utf-8"));

        System.out.println("客户端接收到信息=" +s+ " , ");
        System.out.println("客户端接收消息数量= " +(++this.count));
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }
}
